package sdkserver

import (
	"bytes"
	"encoding/json"
	"gac-hkrpg-go/internal/testutil"
	"net/http"
	"net/http/httptest"
	"os"
	"path/filepath"
	"runtime"
	"strings"
	"testing"
)

func chdirRepoRootSDK(t *testing.T) {
	t.Helper()
	_, source, _, ok := runtime.Caller(0)
	if !ok {
		t.Fatal("cannot locate test helper source")
	}
	root := filepath.Clean(filepath.Join(filepath.Dir(source), "..", ".."))
	if _, err := os.Stat(filepath.Join(root, "go.mod")); err != nil {
		t.Fatalf("cannot locate repository root from %s: %v", source, err)
	}
	temporary := t.TempDir()
	if err := testutil.CopyRuntime(root, temporary); err != nil {
		t.Fatal(err)
	}
	t.Chdir(temporary)
}

func TestApiCommandUnlockAllWarp(t *testing.T) {
	chdirRepoRootSDK(t)
	before, err := os.ReadFile("freesr-data.json")
	if err != nil {
		t.Fatal(err)
	}

	runCmd := func(command string) (bool, string) {
		body, _ := json.Marshal(map[string]string{"command": command})
		req := httptest.NewRequest(http.MethodPost, "/api/command", strings.NewReader(string(body)))
		rec := httptest.NewRecorder()
		apiCommand(rec, req)
		var res struct {
			Success bool   `json:"success"`
			Output  string `json:"output"`
		}
		_ = json.Unmarshal(rec.Body.Bytes(), &res)
		return res.Success, res.Output
	}

	// 1. /unlockall warp all
	ok, out := runCmd("/unlockall warp all")
	if !ok || !strings.Contains(out, "Set all warps") {
		t.Fatalf("unexpected output for /unlockall warp all: ok=%v, out=%s", ok, out)
	}

	// 2. /unlockall warp off
	ok, out = runCmd("/unlockall warp off")
	if !ok || !strings.Contains(out, "default active warps") {
		t.Fatalf("unexpected output for /unlockall warp off: ok=%v, out=%s", ok, out)
	}

	// 3. /unlockall warp avatar
	ok, out = runCmd("/unlockall warp avatar")
	if !ok || !strings.Contains(out, "character warps") {
		t.Fatalf("unexpected output for /unlockall warp avatar: ok=%v, out=%s", ok, out)
	}

	// 4. /reload banner
	ok, out = runCmd("/reload banner")
	if !ok || !strings.Contains(out, "Banner configurations reloaded") {
		t.Fatalf("unexpected output for /reload banner: ok=%v, out=%s", ok, out)
	}
	after, err := os.ReadFile("freesr-data.json")
	if err != nil || !bytes.Equal(before, after) {
		t.Fatalf("banner commands rewrote avatar inventory: %v", err)
	}
}